1339001600

素因数分解:

$2^8\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:471

約数の個数: 216

約数和(自身を含む): 3631517568

約数和(自身を除く): 2292515968

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 31, 32, 34, 40, 50, 62, 64, 68, 80, 85, 100, 124, 128, 136, 155, 160, 170, 200, 248, 256, 272, 310, 320, 340, 397, 400, 425, 496, 527, 544, 620, 640, 680, 775, 794, 800, 850, 992, 1054, 1088, 1240, 1280, 1360, 1550, 1588, 1600, 1700, 1984, 1985, 2108, 2176, 2480, 2635, 2720, 3100, 3176, 3200, 3400, 3968, 3970, 4216, 4352, 4960, 5270, 5440, 6200, 6352, 6400, 6749, 6800, 7936, 7940, 8432, 9920, 9925, 10540, 10880, 12307, 12400, 12704, 13175, 13498, 13600, 15880, 16864, 19840, 19850, 21080, 21760, 24614, 24800, 25408, 26350, 26996, 27200, 31760, 33728, 33745, 39680, 39700, 42160, 49228, 49600, 50816, 52700, 53992, 54400, 61535, 63520, 67456, 67490, 79400, 84320, 98456, 99200, 101632, 105400, 107984, 108800, 123070, 127040, 134912, 134980, 158800, 168640, 168725, 196912, 198400, 209219, 210800, 215968, 246140, 254080, 269960, 307675, 317600, 337280, 337450, 393824, 418438, 421600, 431936, 492280, 508160, 539920, 615350, 635200, 674560, 674900, 787648, 836876, 843200, 863872, 984560, 1046095, 1079840, 1230700, 1270400, 1349800, 1575296, 1673752, 1686400, 1727744, 1969120, 2092190, 2159680, 2461400, 2540800, 2699600, 3150592, 3347504, 3372800, 3938240, 4184380, 4319360, 4922800, 5230475, 5399200, 6695008, 7876480, 8368760, 8638720, 9845600, 10460950, 10798400, 13390016, 15752960, 16737520, 19691200, 20921900, 21596800, 26780032, 33475040, 39382400, 41843800, 43193600, 53560064, 66950080, 78764800, 83687600, 133900160, 167375200, 267800320, 334750400, 669500800, 1339001600]

約数ペア:

[(1, 1339001600), (2, 669500800), (4, 334750400), (5, 267800320), (8, 167375200), (10, 133900160), (16, 83687600), (17, 78764800), (20, 66950080), (25, 53560064), (31, 43193600), (32, 41843800), (34, 39382400), (40, 33475040), (50, 26780032), (62, 21596800), (64, 20921900), (68, 19691200), (80, 16737520), (85, 15752960), (100, 13390016), (124, 10798400), (128, 10460950), (136, 9845600), (155, 8638720), (160, 8368760), (170, 7876480), (200, 6695008), (248, 5399200), (256, 5230475), (272, 4922800), (310, 4319360), (320, 4184380), (340, 3938240), (397, 3372800), (400, 3347504), (425, 3150592), (496, 2699600), (527, 2540800), (544, 2461400), (620, 2159680), (640, 2092190), (680, 1969120), (775, 1727744), (794, 1686400), (800, 1673752), (850, 1575296), (992, 1349800), (1054, 1270400), (1088, 1230700), (1240, 1079840), (1280, 1046095), (1360, 984560), (1550, 863872), (1588, 843200), (1600, 836876), (1700, 787648), (1984, 674900), (1985, 674560), (2108, 635200), (2176, 615350), (2480, 539920), (2635, 508160), (2720, 492280), (3100, 431936), (3176, 421600), (3200, 418438), (3400, 393824), (3968, 337450), (3970, 337280), (4216, 317600), (4352, 307675), (4960, 269960), (5270, 254080), (5440, 246140), (6200, 215968), (6352, 210800), (6400, 209219), (6749, 198400), (6800, 196912), (7936, 168725), (7940, 168640), (8432, 158800), (9920, 134980), (9925, 134912), (10540, 127040), (10880, 123070), (12307, 108800), (12400, 107984), (12704, 105400), (13175, 101632), (13498, 99200), (13600, 98456), (15880, 84320), (16864, 79400), (19840, 67490), (19850, 67456), (21080, 63520), (21760, 61535), (24614, 54400), (24800, 53992), (25408, 52700), (26350, 50816), (26996, 49600), (27200, 49228), (31760, 42160), (33728, 39700), (33745, 39680)]